Concrete Repair

Injection Resin

Monneli Betocryl 60

Three Component Acrylic Injection Resin

Uses
BETOCRYL 60 specifically developed for the following:
Re-injection or injection hoses
Curtain injections, etc.
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Technical Information
Product Description

BETOCRYL 60 is an elastic three component acrylic injection resin, especially designed for injection or re-injection hoses. The gel formation doesn’t go suddenly as with other acrylic gels but the viscosity increases in linear way thus making it possible to control the re-injection process on the injection hoses.

BETOCRYL 60 has an excellent adhesion to the surface and the cured products swells in water.

Advantages
  • Outstanding adhesion concrete, cements, bricks, etc.
  • Penetrates deep into fine cracks
  • Good chemical resistance (like petroleum, mineral, vegetable oils and greases, etc)
  • Does not contain toxic solvents
  • Non flammable
  • Reaction speed can be adjusted from a few seconds to several minutes
  • Excellent swelling properties
  • High water retention capacity
  • Provides superior adhesion to most substrates
Compiliance Standard
  • DIN 53479
  • DIN 52455
  • DIN ISO 3219
  • EN 12637
  • EN 14498
Packaging, Coverage / Consumption

BETOCRYL 60 is supplied as a three component kit.

 

Version 1

Version 2

  Component A: 25 kg

Component A: 23.8 kg

  Component B: 1.25 kg

Component B: 1.19kg

  Component C: 60g

Component C: 500g
Shelf Life & Storage

Storage

Keep the product in dry and covered shed with a temperature between +5°C and +25°C. In these conditions the product will have a shelf life of 6 months from the date of manufacturing in the original unopened packaging.

Colors
Component A - Purple pink Component B - Clear Yellow
Technical Properties

VERSION 1

PROPERTIES

RESULTS

Component A

Appearance

Purple-pink liquid
Density 1.12 g/ml
pH 6.5 – 8
Component B
Appearance

Clear yellow liquid

Density 1.11 g/ml
Component C

Powder

MIXED PRODUCT PROPERTIES

 

Elongation

> 50%

Viscosity

< 50 cP

Corrosion behavior

Nil

Sensitivity to wet-dry cycle

No change in expansion ratio

Water tightness under pressure

≥ 2 x 105 Pa

Compatibility with concrete

Passed

Sensitivity to wet-dry cycles

No change in swelling capacity after 10 wet-dry cycles

(Wet-Dry Cycle consists of drying at +50°C followed by

6 days of immersion in tap

water at temperature of +20°C)

Application temperature

1°C to 40°C

VERSION 2

PROPERTIES

RESULTS

Color

White

Mixed density (A+B)

1.02 kg/dm3

Mixed density (with water)

1.04 kg/dm3

Viscosity ( A+B)

15mPA.s

Viscosity (with water)

3mPA.s

Elongation

270%

Swelling ratio at water storage at 20˚C

Approx 100%

Application time
 at 20˚C 

2.5 to 10 minutes

at 10˚C  3.75 to 40 minutes
Application temperature

+1°C to 40°C

All technical values are related to +20˚C and 50% relative humidity

All values are subject to 5-10 % tolerance

Application Information
Instructions for use

Preparation

In order to obtain the acrylic gel of BETOCRYL 60 to work, the following steps should be followed;

Prepare SOLUTION 1 by mixing Acrylic Resin (Part A) with Catalyst (Part B). Mixing ratio should be 20 Part A : 1 Part B by weight.

 Prepare SOLUTION 2 by diluting the Initiator (Part C) into water. Mix the above 2 solutions equally (1:1) by volume. (Setting Time to be adjusted as per below table.

Setting Time

Version 1

(catalyst +gel)

Version 2

(catalyst +gel)

 For 45-60 min ≤5 gm ≤10 gm
 For 20-30 min 5-8 gm 10-17 gm
 For 5 -15  min 8-30 gm 17-40 gm
 Less than 5 min >30 gm >40 gm

All technical values are related to +200C and 50% Relative Humidity.

All values are subject to 5-10 % tolerance

Inject the mixed product into the injection hose with a two component manual, electric or pneumatic pump. Ensure that the machine parts that come into contact with the resin must be in stainless steel.

For re-injecting injection hoses, rinse the injection hoses under low pressure with water within the reaction time.

The normal reaction time will be 10 minutes at 20°C. To increase the reaction time to 20 minutes, reduce the amount of Initiator (Part C) into half (30g).

The reaction time decreases if the temperature is higher.

Cleaning

Clean the used tools with water immediately after completing the job

Recommendation

  • Never use water that contains a lot of minerals in preparation of Solution 2. These minerals can accelerate the reaction time
Additional Information
Health & Safety

Wear gloves and goggles to avoid any contact with eyes and skin. In case of contact in the eyes and skin, wash abundantly with warm water and consult a doctor. Ensure adequate ventilation at working place.

Absorb spilled resin with sand and sawdust then dispose according to local regulations.

Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.

additional materials
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Technical Properties Sheet
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